2021 ICD-10-CM Diagnosis Code T20.50XA

Corrosion of first degree of head, face, and neck, unspecified site, initial encounter

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
  • T20.50XA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Corros first degree of head, face, and neck, unsp site, init
  • The 2021 edition of ICD-10-CM T20.50XA became effective on October 1, 2020.
  • This is the American ICD-10-CM version of T20.50XA - other international versions of ICD-10 T20.50XA may differ.
The following code(s) above T20.50XA contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to T20.50XA:
  • S00-T88
    2021 ICD-10-CM Range S00-T88

    Injury, poisoning and certain other consequences of external causes

    Note
    • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
    Type 1 Excludes
    Use Additional
    • code to identify any retained foreign body, if applicable (Z18.-)
    Injury, poisoning and certain other consequences of external causes
  • T20-T25
    2021 ICD-10-CM Range T20-T25

    Burns and corrosions of external body surface, specified by site

    Includes
    • burns and corrosions of first degree [erythema]
    • burns and corrosions of second degree [blisters][epidermal loss]
    • burns and corrosions of third degree [deep necrosis of underlying tissue] [full- thickness skin loss]
    Use Additional
    • code from category T31 or T32 to identify extent of body surface involved
    Burns and corrosions of external body surface, specified by site
  • T20
    ICD-10-CM Diagnosis Code T20

    Burn and corrosion of head, face, and neck

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • burn and corrosion of ear drum (T28.41, T28.91)
    • burn and corrosion of eye and adnexa (T26.-)
    • burn and corrosion of mouth and pharynx (T28.0)
    Burn and corrosion of head, face, and neck
  • T20.5
    ICD-10-CM Diagnosis Code T20.5

    Corrosion of first degree of head, face, and neck

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Code First
    • (T51-T65) to identify chemical and intent
    Use Additional
    • external cause code to identify place (Y92)
    Corrosion of first degree of head, face, and neck
Approximate Synonyms
  • First degree chemical burn of face
  • First degree chemical burn of head
ICD-10-CM T20.50XA is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 935 Non-extensive burns

Convert T20.50XA to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To T20.50XA
T20.47 Corrosion of unspecified degree of neck
T20.47XA …… initial encounter
T20.47XD …… subsequent encounter
T20.47XS …… sequela
T20.49 Corrosion of unspecified degree of multiple sites of head, face, and neck
T20.49XA …… initial encounter
T20.49XD …… subsequent encounter
T20.49XS …… sequela
T20.5 Corrosion of first degree of head, face, and neck
T20.50 Corrosion of first degree of head, face, and neck, unspecified site
T20.50XA …… initial encounter
T20.50XD …… subsequent encounter
T20.50XS …… sequela
T20.51 Corrosion of first degree of ear [any part, except ear drum]
T20.511 Corrosion of first degree of right ear [any part, except ear drum]
T20.511A …… initial encounter
T20.511D …… subsequent encounter
T20.511S …… sequela
T20.512 Corrosion of first degree of left ear [any part, except ear drum]
T20.512A …… initial encounter
T20.512D …… subsequent encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.